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AU2011287140A1 - Signal processing apparatus and method, and program - Google Patents

Signal processing apparatus and method, and program Download PDF

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Publication number
AU2011287140A1
AU2011287140A1 AU2011287140A AU2011287140A AU2011287140A1 AU 2011287140 A1 AU2011287140 A1 AU 2011287140A1 AU 2011287140 A AU2011287140 A AU 2011287140A AU 2011287140 A AU2011287140 A AU 2011287140A AU 2011287140 A1 AU2011287140 A1 AU 2011287140A1
Authority
AU
Australia
Prior art keywords
signal
low
frequency range
range
band signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2011287140A
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English (en)
Inventor
Toru Chinen
Mitsuyuki Hatanaka
Yuki Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of AU2011287140A1 publication Critical patent/AU2011287140A1/en
Priority to AU2016202800A priority Critical patent/AU2016202800B2/en
Priority to AU2018204110A priority patent/AU2018204110B2/en
Priority to AU2020220212A priority patent/AU2020220212B2/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AU2011287140A 2010-08-03 2011-07-27 Signal processing apparatus and method, and program Abandoned AU2011287140A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2016202800A AU2016202800B2 (en) 2010-08-03 2016-05-02 Signal processing apparatus and method, and program
AU2018204110A AU2018204110B2 (en) 2010-08-03 2018-06-08 Signal processing apparatus and method, and program
AU2020220212A AU2020220212B2 (en) 2010-08-03 2020-08-21 Signal processing apparatus and method, and program

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010174758A JP6075743B2 (ja) 2010-08-03 2010-08-03 信号処理装置および方法、並びにプログラム
JP2010-174758 2010-08-03
PCT/JP2011/004260 WO2012017621A1 (en) 2010-08-03 2011-07-27 Signal processing apparatus and method, and program

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2016202800A Division AU2016202800B2 (en) 2010-08-03 2016-05-02 Signal processing apparatus and method, and program

Publications (1)

Publication Number Publication Date
AU2011287140A1 true AU2011287140A1 (en) 2012-04-19

Family

ID=45559144

Family Applications (4)

Application Number Title Priority Date Filing Date
AU2011287140A Abandoned AU2011287140A1 (en) 2010-08-03 2011-07-27 Signal processing apparatus and method, and program
AU2016202800A Active AU2016202800B2 (en) 2010-08-03 2016-05-02 Signal processing apparatus and method, and program
AU2018204110A Active AU2018204110B2 (en) 2010-08-03 2018-06-08 Signal processing apparatus and method, and program
AU2020220212A Active AU2020220212B2 (en) 2010-08-03 2020-08-21 Signal processing apparatus and method, and program

Family Applications After (3)

Application Number Title Priority Date Filing Date
AU2016202800A Active AU2016202800B2 (en) 2010-08-03 2016-05-02 Signal processing apparatus and method, and program
AU2018204110A Active AU2018204110B2 (en) 2010-08-03 2018-06-08 Signal processing apparatus and method, and program
AU2020220212A Active AU2020220212B2 (en) 2010-08-03 2020-08-21 Signal processing apparatus and method, and program

Country Status (17)

Country Link
US (4) US9406306B2 (ru)
EP (5) EP3584793B1 (ru)
JP (1) JP6075743B2 (ru)
KR (3) KR101967122B1 (ru)
CN (2) CN104200808B (ru)
AR (1) AR082447A1 (ru)
AU (4) AU2011287140A1 (ru)
BR (1) BR112012007187B1 (ru)
CA (1) CA2775314C (ru)
CO (1) CO6531467A2 (ru)
ES (1) ES3020522T3 (ru)
MX (1) MX2012003661A (ru)
RU (3) RU2550549C2 (ru)
SG (1) SG10201500267UA (ru)
TR (1) TR201809449T4 (ru)
WO (1) WO2012017621A1 (ru)
ZA (1) ZA201202197B (ru)

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